I thought that the lyrics to the Avril Lavgine song "Complicated" were "Never gonna find your bacon!" Instead of what it actually is, "never gonna find you fake it!"
A childhood belief about misheard lyrics

others believed things like this
- I used to believe that when I went to the mountain I would find an ancient monster or find some treasure— Yazer Solorzano
- i thought that if i dressed in my holly hobby doll's clothes, no one would be able to find me.— pikl
- when i was little i thought pigs ate only tomatoes because bacon and ham was red when cooked.Anon
- When i was little, i thought that pig latin came from pigs. I was so frightned to eat bacon afterwords :S— Juber
- I thought until fairly recently that bacon came from the skin of a pig and that's why it was so thin— Nate
- My mum always thought the lyrics to macy grays song was i try to say goodbye to my chook.— alana